Examples with ItemManager gov.usgs.cida.coastalhazards.jpa.ItemManager used on opensource projects

Example 1 with ItemManager

use of gov.usgs.cida.coastalhazards.jpa.ItemManager in project coastal-hazards by USGS-CIDA.

the class TreeResource method updateItemChildren.

/**
 * Updates one or more items for children and displayed children
 *
 * @return whether items were updated in the database or not
 */
private boolean updateItemChildren(Map<String, JsonObject> items) {
    List<Item> itemList = new LinkedList<>();
    boolean updated = false;
    for (Entry<String, JsonObject> entry : items.entrySet()) {
        String itemId = entry.getKey();
        JsonObject updateData = entry.getValue();
        if (updateData.has("children")) {
            Item parentItem;
            List<Item> children;
            try (ItemManager manager = new ItemManager()) {
                parentItem = manager.load(itemId);
                children = new LinkedList<>();
                log.info("Attempting to update item {}", parentItem.getId());
                // Update the item's children
                Iterator<JsonElement> iterator = updateData.get("children").getAsJsonArray().iterator();
                while (iterator.hasNext()) {
                    String childId = iterator.next().getAsString();
                    Item child = manager.load(childId);
                    children.add(child);
                }
                parentItem.setChildren(children);
                // Update the item's displayedChildren
                if (updateData.has("displayedChildren")) {
                    Iterator<JsonElement> displayedIterator = updateData.get("displayedChildren").getAsJsonArray().iterator();
                    List<String> displayedChildren = new ArrayList<>();
                    while (displayedIterator.hasNext()) {
                        String childId = displayedIterator.next().getAsString();
                        displayedChildren.add(childId);
                    }
                    parentItem.setDisplayedChildren(displayedChildren);
                }
            }
            itemList.add(parentItem);
        } else {
            log.error("Incoming JSON Object {} has no children");
            throw new BadRequestException();
        }
    }
    // in the database
    if (!itemList.isEmpty()) {
        // Update the children
        try (ItemManager manager = new ItemManager()) {
            updated = manager.mergeAll(itemList);
        }
        if (updated) {
            log.info("Updated {} items", itemList.size());
            // Update the thumbnails
            try (ThumbnailManager thumbMan = new ThumbnailManager()) {
                for (Item item : itemList) {
                    thumbMan.updateDirtyBits(item.getId());
                }
                log.debug("Updated thumbs for {} items", itemList.size());
            }
            // Update the status manager
            try (StatusManager statusMan = new StatusManager()) {
                Status status = new Status();
                status.setStatusName(Status.StatusName.STRUCTURE_UPDATE);
                if (statusMan.save(status)) {
                    log.debug("Status Manager updated structure status after items were updated.");
                } else {
                    log.warn("Status Manager did not update the structure status after updating items. This could lead to inconsistencies in the data");
                }
            } catch (Exception e) {
                log.error(e.toString());
            }
        } else {
            log.warn("Could not update {} items.", itemList.size());
        }
    }
    return updated;
}

Example 2 with ItemManager

use of gov.usgs.cida.coastalhazards.jpa.ItemManager in project coastal-hazards by USGS-CIDA.

the class TreeResource method getRootTrees.

@GET
@Path("/item")
@Produces(MediaType.APPLICATION_JSON)
public Response getRootTrees(@Context Request request) {
    Response response = null;
    try (ItemManager itemManager = new ItemManager()) {
        List<Item> items = itemManager.loadRootItems();
        Gson treeGson = new GsonBuilder().registerTypeAdapter(Item.class, new ItemTreeAdapter()).create();
        JsonObject root = new JsonObject();
        JsonArray rootItems = new JsonArray();
        for (Item item : items) {
            rootItems.add(treeGson.toJsonTree(item));
        }
        root.add("items", rootItems);
        response = Response.ok(root.toString(), MediaType.APPLICATION_JSON_TYPE).build();
    } catch (Exception e) {
        log.error(e.toString());
    }
    return response;
}

Example 3 with ItemManager

use of gov.usgs.cida.coastalhazards.jpa.ItemManager in project coastal-hazards by USGS-CIDA.

the class ItemResource method checkForCycle.

/**
 * Run the cycle check before attempting POST or PUT to verify item would
 * not introduce cycle
 *
 * @param parentId aggregation item to check
 * @param childId child item being added to parent item
 * @return JSON response with true or false
 */
@GET
@Path("/cycle/{parentId}/{childId}")
public Response checkForCycle(@PathParam("parentId") String parentId, @PathParam("childId") String childId) {
    Response response = null;
    try (ItemManager itemManager = new ItemManager()) {
        boolean cycle = itemManager.isCycle(parentId, childId);
        response = Response.ok("{\"cycle\": " + cycle + "}", MediaType.APPLICATION_JSON_TYPE).build();
    }
    return response;
}

Example 4 with ItemManager

use of gov.usgs.cida.coastalhazards.jpa.ItemManager in project coastal-hazards by USGS-CIDA.

the class ItemResource method postItem.

/**
 * Only allows one card to be posted at a time for now
 *
 * @param content Posted content as text string (should be JSON)
 * @param request passed through context of request
 * @return
 */
@RolesAllowed({ CoastalHazardsTokenBasedSecurityFilter.CCH_ADMIN_ROLE })
@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public Response postItem(String content, @Context HttpServletRequest request) {
    Response response;
    Item item = Item.fromJSON(content);
    final String id;
    try (ItemManager itemManager = new ItemManager()) {
        id = itemManager.persist(item);
    }
    if (null == id) {
        throw new BadRequestException();
    } else {
        Map<String, Object> ok = new HashMap<String, Object>() {

            private static final long serialVersionUID = 2398472L;

            {
                put("id", id);
            }
        };
        response = Response.ok(GsonUtil.getDefault().toJson(ok, HashMap.class), MediaType.APPLICATION_JSON_TYPE).build();
    }
    try (StatusManager statusMan = new StatusManager();
        ThumbnailManager thumbMan = new ThumbnailManager()) {
        Status status = new Status();
        status.setStatusName(Status.StatusName.ITEM_UPDATE);
        statusMan.save(status);
        thumbMan.updateDirtyBits(id);
    }
    return response;
}

Example 5 with ItemManager

use of gov.usgs.cida.coastalhazards.jpa.ItemManager in project coastal-hazards by USGS-CIDA.

the class MetadataResource method getMetadataSummaryByAttribtueUsingItemID.

@GET
@Path("/summarize/itemid/{itemid}/attribute/{attr}")
@Produces(MediaType.APPLICATION_JSON)
public Response getMetadataSummaryByAttribtueUsingItemID(@PathParam("itemid") String itemId, @PathParam("attr") String attr) throws URISyntaxException {
    Response response;
    try (ItemManager itemManager = new ItemManager()) {
        Item item = itemManager.load(itemId);
        String jsonSummary = MetadataUtil.getSummaryFromWPS(getMetadataUrl(item), attr);
        Summary summary = GsonUtil.getDefault().fromJson(jsonSummary, Summary.class);
        response = Response.ok(GsonUtil.getDefault().toJson(summary, Summary.class), MediaType.APPLICATION_JSON_TYPE).build();
    } catch (IOException | ParserConfigurationException | SAXException | JsonSyntaxException ex) {
        Map<String, String> err = new HashMap<>();
        err.put("message", ex.getMessage());
        response = Response.serverError().entity(GsonUtil.getDefault().toJson(err, HashMap.class)).build();
    }
    return response;
}